original description(ofErycina helmsi Hedley, 1915)Hedley, C. (1915). Studies on Australian Mollusca. Part XII. <em>Proceedings of the Linnean Society of New South Wales.</em> 39: 695–755, pls. 77–85 ["1914"; published 26 Feb 1915]., available online athttps://www.biodiversitylibrary.org/page/6382583 page(s): 701, pl. 80 figs 37–39 [details]
Present Inaccurate Introduced: alien Containing type locality